import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue';
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue';

Vue.use(VueRouter)

const routes = [{
    path: "/",
    redirect: '/Login'
  },
  {
    path: "/login",
    component: Login
  },
  {
    path: "/home",
    component: Home,
    redirect:'/welcome',
    children: [
      {path: '/welcome',component: Welcome},
      {path:'/users',component:Users},
      {path:'/rights',component:Rights},
      {path:'/roles',component:Roles},
      {path:'/categories',component:Cate},
      {path:'/params',component:Params},
      {path:'/goods',component:List},
      {path:'/goods/add',component:Add},
      {path:'/orders',component:Order},
      {path:'/reports',component:Report}
    ]
  }

]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数,表示放行
  //     next() 放行  next('/login') 强制跳转
  if (to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token');
  if (!tokenStr) return next('/login')
  next()
})

export default router
